part ofurethramixed endoderm/mesoderm-derived structureepitheliumepithelium of urethraEMAPA:31518FMA:85275MA:0001686NCIT:C49309The urethra is a renal system organ that carries urine from the bladder to outside the body. The epithelium is the tubular, planar layer of cells through which the urine passes..UBERON:0002325UMLS:C1710584epithelial tissue of urethrauberonurethra epithelial tissueurethra epitheliumurethral epitheliumurethral plateurethral seamepithelial tubeendo-epitheliumexcretory tubemeso-epithelium